What are the effects and functions of purple potato? I believe everyone has eaten it. This is a sweet potato. Purple sweet potato contains a lot of dietary fiber, which is very useful for human intestinal digestion. Want to know more about the efficacy and function of purple sweet potato? Let's take a look at the article I shared about the efficacy and function of purple potato.
What effect and function does purple potato have? 1 1. Prevention and treatment of constipation.
Purple sweet potato can prevent constipation, because it contains a lot of dietary fiber, which can promote gastrointestinal peristalsis and intestinal digestion, so that the residues accumulated in the intestine can be discharged in time. Constipated friends can eat a little purple sweet potato.
Step 2 lose weight
Many friends who want to keep fit or lose weight can consider eating some purple potatoes, because the calories of purple potatoes are extremely low, and there is almost no cholesterol, and there is also a very effective function to prevent these sugars from being converted into fat in the body, so this is also a gospel for female friends who lose weight and keep fit.
3, increase human immunity
This is because purple sweet potato contains a kind of protein called mucus, which can help and prevent the occurrence of human collagen diseases, so it can improve human immunity.
4. Anti-cancer
In fact, many foods are anti-cancer and anticancer, but people just don't pay attention to them. This purple sweet potato contains selenium, iron and other elements, which can enhance human immunity, resist diseases and fatigue, and inhibit the spread of cancer cells in human body. Women who want to delay aging can eat some purple potatoes.
5. Beauty
This is because purple sweet potato contains a hormone that can stimulate the inside of human body, which can protect human skin and keep it smooth and bright.
Step 6 protect the liver
Many people don't know that purple potato also contains a substance called anthocyanin, which can inhibit carbon tetrachloride and prevent lesions from being bad for the liver, so eating purple potato properly is still very beneficial to the human body.
What is the function and function of purple sweet potato? What's the difference between purple potato and sweet potato?
Nutritionists point out that compared with ordinary sweet potatoes, purple sweet potatoes are not much different in protein and sugar. The only difference is their color. The purple color of purple potato is mainly due to the "anthocyanin" it contains. If the characteristic nutritional value of purple sweet potato is "anthocyanin" or higher than that of sweet potato, research shows that anthocyanin is a substance with very strong antioxidant capacity, which can help the human body cope with free radicals. Many evidences show that free radicals can cause oxidative damage to fat, protein and nucleic acid, which is an important cause of some diseases such as cancer, cardiovascular diseases and nervous system diseases.
Anthocyanins are widely found in all crimson, purple or blue fruits and vegetables, such as grapes, blackberries, figs, cherries, eggplant, purple sweet potatoes, blueberries, raspberries, strawberries, mulberries, hawthorn peels, perilla, black (red) rice and other plants.
Nutritional value analysis:
Nutritional value of purple sweet potato: The nutritional composition of purple sweet potato is obviously higher than that of common sweet potato, and its content of lysine, copper, zinc and potassium is 3~8 times that of common sweet potato, and the content of selenium and anthocyanin is also very rich. The effects of selenium on human health mainly focus on anti-tumor and improving blood sugar. It is found that patients with coronary heart disease, Keshan disease, Kaschin-Beck disease and cataract are generally deficient in selenium, and selenium has a strong ability to scavenge free radicals in the body, which can effectively prevent lipid peroxidation caused by free radicals and reduce the occurrence of related tumors, coronary heart disease, infection and inflammation.
Nutritional value of sweet potato: Common sweet potato tuber not only contains a lot of starch, soluble sugar, vitamins and amino acids, but also contains protein, fat, dietary fiber and minerals such as calcium and iron. The color of sweet potato meat is related to the carotene content. The yellower the sweet potato color, the higher the carotene content. People who smoke, drink and eat less vegetables and fruits generally lack carotene. Studies have found that carotene supplementation can effectively reduce the nicotine content in the blood of smokers. In addition, carotene can also enhance skin resistance, prevent cancer and prevent cardiovascular diseases.
Efficacy and function of purple sweet potato
1, preventing constipation
The cellulose content in purple sweet potato is very high, which can increase the volume of feces, promote gastrointestinal peristalsis, clean up mucus, gas accumulation and corruption in the intestines, and discharge toxic substances and carcinogens in the feces, thus keeping the feces unblocked, improving the digestive tract environment and preventing gastrointestinal diseases.
Step 2 lose weight
The tender leaves of purple sweet potato stem tip are rich in vitamins, protein, trace elements, edible fiber and soluble non-oxidizing substances. Regular consumption of purple has many effects such as weight loss, bodybuilding, fitness and cancer prevention. Therefore, purple sweet potato has a good health care function from the tender leaves at the tip of the stem to the potato pieces, and it is the first health care food among green, pollution-free and organic foods at present.
3. Antioxidant effect
The 2 1 alcohol extract from sweet potato meat was detected. The results showed that anthocyanins contained in purple sweet potato had the strongest ability to scavenge peroxide free radicals, and this ability increased with the increase of total phenol content in purple sweet potato. At the same time, anthocyanin in purple sweet potato can effectively prevent lipid peroxidation caused by linoleic acid automatic oxidation.
Edible taboo of purple sweet potato
1. Purple sweet potato should not be eaten with white wine, crabs and bananas, because it is low in calories and easily leads to abdominal pain and diarrhea.
2. Purple sweet potato should not be eaten with persimmon, which not only affects the absorption of nutrients, but also forms stones, which is easy to cause gastric bleeding.
3, avoid eating with tomatoes, tomatoes contain a lot of acidic substances, which can form indigestible substances with purple potatoes in the stomach, which can easily lead to abdominal pain, diarrhea and indigestion.
4, avoid eating raw, purple potatoes should be cooked before eating, because starch particles are difficult to digest without high temperature damage.